This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Mosquitoes carry nasty diseasesdengue fever, west nile, malaria. But the microbes that cause those diseases dont attach themselves to the mosquitoes an

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(一)月

By Cathy Majtenyi Bujumbura 24 April 2006 Every 30 seconds a child in Africa dies of malaria. Health care workers report a drop in malaria rates with bed net use, but in the tiny central African natio

发表于:2019-01-13 / 阅读(92) / 评论(0) 分类 2006年VOA标准英语(四月)

Why are dogs'noses so wet? 狗狗的鼻子为什么总是湿的? Humans and dogs share a special relationship, moulded over millennia of reciprocal love and companionship. 数千年来,人类和狗狗都有十分特殊的关系,相互喜爱,相

发表于:2019-02-01 / 阅读(339) / 评论(0) 分类 阅读空间

BBC Learning English People and Places Hoglands Amber:Hello, Im Amber and youre listening to bbclearningenglish.com In People and Places today, we meet Mary Moore, daughter of the renowned British artist and sculptor, Henry Moore (who died in 1986).

发表于:2019-02-04 / 阅读(150) / 评论(0) 分类 人与地方

Another example: 还有一个例子 a few years ago I got a call from a man who was 19 years old, 几年前,我接到一个十九岁的男孩打来的电话 who was born a boy, raised a boy, 他生下来是个男孩,也被当作男孩来养 had a

发表于:2019-02-13 / 阅读(33) / 评论(0) 分类 TED演讲教育篇

I think that, from a biological standpoint, human life almost reads like a poem. It has its own rhythm and beat, its internal cycles of growth and decay. It begins with innocent childhood, followed by awkward adolescence trying awkwardly to adapt its

发表于:2019-02-20 / 阅读(49) / 评论(0) 分类 英语美文